HOW MUCH DO YOU KNOW ABOUT THE INTEGUMENTARY SYSTEM? ESCAPE GAME

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THE INTEGUMENTARY SYSTEM

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THE INTEGUMENTARY SYSTEM

The integumentary system, comprising the skin and its accessory structures, plays a role that extends far beyond just shaping our external looks. It accounts for approximately 16 percent of an adult human's weight, spreading over an area between 1.5 and 2 m². This makes the skin and related structures the most substantial organ system in our bodies. The skin's primary function is to shield our internal organs, necessitating consistent daily attention and safeguarding to preserve its well-being. (J Gordon Betts et al., 2017) Know much about the integumentary system? Test your knowledge!

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The Witch's house

Welcome to the game's first stop. Will you answer everything correctly?

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d) Back of your neck

c) Forearm

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b) Fingertip

a) Back of your head

1. Which area of your body contains one of the greatest concentrations of touch-sensitive receptors?

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a) Melanocytes

b) Carotenocytes

d) Leukocytes

c) Keratinocytes

2. Countless ________ flake away from your skin daily.

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b) Earwax

a) Sweat

d) Milk

c) Oil

3. What substance do sebaceous glands exude?

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b) papillary layer

d) dermis

a) subcutaneous tissue

c) epidermis

4. The skin's exterior layer is the:

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d) Medulla

c) Cortex

a) Keratin

b) Cuticle

5. What constitutes the hair shaft's utmost layer?

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d) Shaft

a) Medulla

c) Follicle

b) Root

6. What is the term for the segment of hair located under the skin and out of sight?

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d) Stratum corneum

c) Stratum Lucidum

a) Stratum Spinosum

b) Stratum granulosum

7. In which stratum of the epidermis do keratinocytes begin to perish?

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c) Dermal papillae

d) Papule

a) Keratin

b) Collagen

8. What is the name of the fibrous protein that provides structure and resilience to the skin, allowing it to be flexible?

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The Wolf's house

Some perplexing riddles await you in the second house... Try it out!

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b) Vasodilation

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a) Vasoconstriction

c) Scarring

d) Homeostasis

9. What is the term for the process that halts blood flow from a wound?

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c) stratum basale

a) stratum granulosum

d) stratum corneum

b) stratum spinosum

10. Langerhans cells are primarily located in the ________.

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c) keratinocytes

b) melanocytes

a) Langerhans cells

d) fibroblasts

11. Identify the cells that ramp up their secretions in response to UV light exposure.

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d) tissue fluid

a) adipose tissue

b) keratin

c) areolar connective tissue

12. Which of these is not a component of the subcutaneous tissue?

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b) dilate to release heat

a) constrict to release heat

c) constrict to conserve heat

d) dilate to conserve heat

13. How do the arterioles within the dermis react during low temperatures?

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a) areolar connective tissue

c) collagen fibers

d) elastin fibers

b) keratin

14. What gives the dermis its robustness?

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a) a site to long-term energy storage

c) source of blood vessels in the epidermis

d) helps maintain body temperature

b) protects underlying organs

15. Which of the following does not represent the role of the hypodermis?

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d) sebaceous

b) eccrine

a) ceruminous

c) apocrine

16. The primary skin glands involved in regulating body temperature are the following:

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The wolf didn't make it easy, but you managed to get all the right answers!

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Frankenstein's house

Spooky weather has arrived, and you've reached a monster of a mansion. Could you possibly go on?

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c) Langerhans cells

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d) free nerve endings

a) axons

b) encapsulated nerve endings

17. Pain receptors are located in the dermal layer called the:

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d) collagen layer

c) subcutaneous layer

a) papillary layer

b) follicle layer

18. The dermis layer supplying blood to the epidermis's stratum germinativum is:

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a) stratum corneum

d) stratum melanin

b) stratum germinativum

c) papillary layer

19. The epidermis layer where mitosis occurs is the:

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c) stratum germinativum

a) collagen layer

b) stratum corneum

d) papillary layer

20. The skin layer that acts as a barrier against most pathogens when intact is the:

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a) sweat

d) tissue fluid

c) cerumen

b) sebum

21. The substance that keeps the eardrum from becoming dry is:

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b) fibroblasts

c) mitosis

a) follicles

d) nail glands

22. The production sites of nails at the tips of fingers and toes are known as:

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b) adipose cells

a) keratinized layer

d) areolar connective tissue

c) stratum corneum

23. The area where numerous white blood cells that eliminate invading pathogens through skin breaches are located is the:

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c) The dermis is made of a modified fibrous connective tissue.

d) In the epidermis, the surface layers of cells are dead.

b) The epidermis is made of simple squamous epithelium.

a) Fibroblasts in the dermis produce collagen fibers and elastin fibers.

24. Identify the incorrect statement regarding the skin's tissues.

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The Mummy's house

A terrifying scavenger hunt has arrived. Do not let your fears stop you.

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c) An unbroken stratum corneum prevents the entry of pathogens and many chemicals.

d) Melanocytes produce melanin, which protects living skin layers from bacteria.

a) Mitosis occurs in the stratum germinativum, pushing new cells toward the skin surface.

b) The stratum corneum consists of keratinized dead cells that prevent the loss or entry of water.

25. Identify the incorrect statement regarding the epidermis.

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d) Nails protect the ends of the fingers and toes from mechanical injury.

a) Eyelashes and eyebrows keep dust and perspiration out of the eyes.

b) The receptors in the epidermis are for the cutaneous senses of pain, heat, cold, pressure, touch, and itch.

c) Hair helps insulate the head from cold.

26. Identify the incorrect statement regarding the skin's accessory structures

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d) Collagen fibers provide strength.

b) The papillary layer has capillaries to nourish the stratum germinativum.

a) Elastin fibers permit the skin to be stretched and then returned to its original shape.

c) It is located between the stratum corneum and the subcutaneous tissue.

27. Identify the incorrect statement regarding the dermis.

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c) Living cells in the stratum germinativum may be damaged.

a) The epidermal cells take in the melanin produced and become darker in color.

b) Melanocytes increase their production of melanin.

d) Cholesterol in the skin is converted to vitamin C.

28. What does NOT occur due to the skin being exposed to ultraviolet radiation from the sun?

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c) Merkel Cells

a) Langerhans’ Cells

b) Melanocytes

d) None of the above

29. Identify the epidermal cells responsible for synthesizing the fibrous protein keratin.

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b) Basale

a) Lucidium

d) Spinosum

c) Corneum

30. Name the epidermis layer that makes up three-quarters of its thickness.

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b) False

a) True

31. The papillary layer of the dermis is made up of areolar connective tissue that includes collagen and elastic fibers?

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a) Stratum corneum

b) Stratum granulosom

d) Stratum spinosum

c) Stratum basale

32. Which epidermis layer is characterized by a single layer of cuboidal or columnar keratinocytes?

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There's only one house left!

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Dracula's house

You have reached the last house safely at last. Do you think you can handle this challenge?

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c) Wound formation – remodeling – proliferative – inflammation

b) Wound formation – inflammation – remodeling – proliferative

d) Wound formation – inflammation – proliferative – remodeling

a) Wound formation – proliferative – inflammation – remodeling

33. Outline the process of healing that occurs with deep wounds.

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b) Sebaceous

d) None of the above

c) Both sebaceous and sudoriferous

a) Sudoriferous

34. Describe the type of gland that is a branched, acinar structure associated with a hair follicle.

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d) Stratum lucidum

a) Stratum corneum

b) Stratum basale

c) Stratum germinativum

35. What is the name of the epidermis that safeguards the body from dehydration and abrasion?

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a) Contains collagen, elastin and reticular fibres

c) Protects the body against heat, chemicals bacteria

d) Anchors the skin to muscle while allowing it to slide over muscle

b) Contains the youngest, rapidly dividing cells

36. Identify the function of the stratum corneum in the skin.

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d) Stratum granulosum

c) Papillary dermal layer

a) Stratum lucidum

b) Reticular dermal layer

37. What is the topmost layer of the skin that contains capillaries, lymphatics, and sensory neurons?

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b) It contains collagen, elastin and reticular fibres.

a) It consists of dead cells

d) The layer has sensory receptors known as Merkel discs, Meissner’s and Pacinian corpuscles.

c) Cells in this layer undergo cell division to replace the skin.

38. Select the accurate statement regarding the stratum corneum.

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39. Identify which number represents the stratum basale in the provided cross-sectional image of the epidermis.

15

14

12

10

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40. Which numeral points to the stratum corneum?

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You overcame your fears and triumphed through this terrifying trip. Proud of you!

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You are now in control of the integumentary system and may savour this day to its fullest. Do not forget to study other topics as well.

Best of luck on your new beginnings!

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